| Date | Transaction |
| 02-28-2012 | John McManus has retired from football. |
| 08-17-2009 | The Providence Radiologist have waived John McManus. |
| 08-17-2009 | The Providence Radiologist have moved Izell Ragusa to the active roster. The Providence Radiologist have moved John McManus to the inactive roster. |
| 11-10-2008 | The Providence Radiologist have moved John McManus to the active roster. The Providence Radiologist have moved Fulminant Colitis to the inactive roster. |
| 11-03-2008 | The Providence Radiologist have moved K Shell and Fulminant Colitis to the active roster. The Providence Radiologist have moved Gerhard Racis and John McManus to the inactive roster. |
| 11-02-2008 | John McManus of the Providence Radiologist is injured with a leg contusion and is expected to be out for approximately 9 days. |
| 10-08-2007 | The Providence Radiologist have moved John McManus to the active roster. The Providence Radiologist have moved James McCurry to the inactive roster. |
| 10-08-2007 | The Providence Radiologist have acquired John McManus from the waiver wire. |
| 10-01-2007 | The San Diego Pirates have waived John McManus. |
| 10-31-2005 | The San Diego Pirates have moved Matt Hafen, John McManus, and Les Price to the active roster. The San Diego Pirates have moved Terence Reilly and Dennis Boyett to the inactive roster. |
| 10-30-2005 | The San Diego Pirates have acquired John McManus from the waiver wire. |
| 09-05-2005 | The Miami Cobras have waived John McManus. |
| 09-04-2005 | The Miami Cobras have moved James Gehrke, Lou Upshaw, Sam Heenan, Sammy Lueck, Nick Banks, Kenyon Smith, and Dan Holland to the active roster. The Miami Cobras have moved John McManus, Anthony Frank, Patrick Guy, Brandon Glenn, Mike Groves, Larry Long, and Paul Goldsmith to the inactive roster. |
| 09-10-2000 | The Miami Mistborn have moved John McManus, Cy Jackson, Jim Parks, and Billy Brown to the active roster. The Miami Mistborn have moved Tommy Lafleur and Sam Heenan to the inactive roster. |
| 09-04-2000 | The Miami Mistborn have moved Tommy Lafleur, Earl Washington, Chris Gibbs, Bronzell Schmedding, William Hall, Daryl Cox, Mike Harris, Tim Marvaso, and Blaine Boyarsky to the active roster. The Miami Mistborn have moved John McManus, Cy Jackson, Jim Parks, Bob Klein, Verron Quinn, John Gilmore, Glenn Jilek, Chet Lumpkin, Terry Bauer, and Karl Wolford to the inactive roster. |
| 08-14-2000 | The Miami Mistborn have moved John McManus, Bobby Smith, Charlie Kreinheder, Boomer Van Raaphorst, Brian Haggerty, and Paul Goldsmith to the active roster. The Miami Mistborn have moved Jim Mertes, Damion Dorsch, Anthony Marshall, Rich Crowell, Lane Pellington, and Bake Gray to the inactive roster. |
Wide Receiver